<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>图片插入练习</title>
</head>
<body>
  显示图片1<img src="1.png"> <br>
  显示图片2<img src="2.png">  <br>
  显示图片3<img src="3.png"> <br>
  显示图片4<img src="4.png"> <br>
  显示图片5<img src="5.png"> <br>

</body>
</html>